Expression of mitochondrial tatC in Nicotiana tabacum is responsive to benzothiadiazole and salicylic acid

Johannes A. van der Merwe, Ian A. Dubery

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A cDNA, up-regulated upon treatment of tobacco cells with salicylic acid and benzo (1,2,3) thiadiazole-7-carbothioic acid S-methyl ester, was identified by differential RNA display and the full sequence obtained. This mitochondrial gene, twin arginine translocation (tatC), resembles orthologues across different species, including the gene that codes for a sec-independent membrane translocating protein in bacteria. Hypothetical tatC proteins have also been identified in the mitochondria of Arabidopsis thaliana, Oenothera berteriana, Beta vulgaris, Oryza sativa and Marchantia polymorpha. Comparative protein analysis indicates a similar function for the tatC gene. The up-regulation of the tatC gene in a 3 kbp transcript was confirmed by RNA gel blot analysis.

Original languageEnglish
Pages (from-to)1231-1234
Number of pages4
JournalJournal of Plant Physiology
Volume164
Issue number9
DOIs
Publication statusPublished - 5 Sept 2007

Keywords

  • Benzo (1,2,3) thiadiazole-7-carbothioic acid S-methyl ester mitochondria
  • Salicylic acid
  • Systemic acquired resistance
  • tatC

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Plant Science

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